#!/bin/bash # called by dracut check() { require_binaries nvme || return 1 [ -f /etc/nvme/hostnqn ] || return 255 [ -f /etc/nvme/hostid ] || return 255 is_nvmf() { local _dev=$1 local trtype [[ -L "/sys/dev/block/$_dev" ]] || return 0 cd -P "/sys/dev/block/$_dev" || return 0 if [ -f partition ]; then cd .. fi for d in device/nvme*; do [ -L "$d" ] || continue if readlink "$d" | grep -q nvme-fabrics; then trtype=$(cat "$d"/transport) break fi done [[ $trtype == "fc" ]] || [[ $trtype == "tcp" ]] || [[ $trtype == "rdma" ]] } [[ $hostonly ]] || [[ $mount_needs ]] && { pushd . > /dev/null for_each_host_dev_and_slaves is_nvmf local _is_nvmf=$? popd > /dev/null || exit [[ $_is_nvmf == 0 ]] || return 255 if [ ! -f /sys/class/fc/fc_udev_device/nvme_discovery ]; then if [ ! -f /etc/nvme/discovery.conf ]; then echo "No discovery arguments present" return 255 fi fi } return 0 } # called by dracut depends() { echo bash rootfs-block network return 0 } # called by dracut installkernel() { instmods nvme_fc lpfc qla2xxx hostonly="" instmods nvme_tcp nvme_fabrics } # called by dracut cmdline() { local _hostnqn local _hostid gen_nvmf_cmdline() { local _dev=$1 local trtype [[ -L "/sys/dev/block/$_dev" ]] || return 0 cd -P "/sys/dev/block/$_dev" || return 0 if [ -f partition ]; then cd .. fi for d in device/nvme*; do [ -L "$d" ] || continue if readlink "$d" | grep -q nvme-fabrics; then trtype=$(cat "$d"/transport) break fi done [ -z "$trtype" ] && return 0 nvme list-subsys "${PWD##*/}" | while read -r _ _ trtype traddr host_traddr _; do [ "$trtype" != "${trtype#NQN}" ] && continue echo -n " nvmf.discover=$trtype,${traddr#traddr=},${host_traddr#host_traddr=}" done } if [ -f /etc/nvme/hostnqn ]; then _hostnqn=$(cat /etc/nvme/hostnqn) echo -n " nvmf.hostnqn=${_hostnqn}" fi if [ -f /etc/nvme/hostid ]; then _hostid=$(cat /etc/nvme/hostid) echo -n " nvmf.hostid=${_hostid}" fi [[ $hostonly ]] || [[ $mount_needs ]] && { pushd . > /dev/null for_each_host_dev_and_slaves gen_nvmf_cmdline popd > /dev/null || exit } } # called by dracut install() { if [[ $hostonly_cmdline == "yes" ]]; then local _nvmf_args _nvmf_args=$(cmdline) [[ "$_nvmf_args" ]] && printf "%s" "$_nvmf_args" >> "${initdir}/etc/cmdline.d/95nvmf-args.conf" fi inst_simple "/etc/nvme/hostnqn" inst_simple "/etc/nvme/hostid" inst_multiple ip sed inst_script "${moddir}/nvmf-autoconnect.sh" /sbin/nvmf-autoconnect.sh inst_multiple nvme inst_hook cmdline 99 "$moddir/parse-nvmf-boot-connections.sh" inst_simple "/etc/nvme/discovery.conf" inst_rules /usr/lib/udev/rules.d/71-nvmf-iopolicy-netapp.rules inst_rules "$moddir/95-nvmf-initqueue.rules" dracut_need_initqueue }